2130667812 has 72 divisors (see below), whose sum is σ = 6628754496. Its totient is φ = 561933504.

The previous prime is 2130667807. The next prime is 2130667831. The reversal of 2130667812 is 2187660312.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321918 + ... + 328469.

Almost surely, 2^2130667812 is an apocalyptic number.

It is an amenable number.

2130667812 is an abundant number, since it is smaller than the sum of its proper divisors (4498086684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2130667812 is a wasteful number, since it uses less digits than its factorization.

2130667812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650417 (or 650412 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2130667812 is about 46159.1574013218. The cubic root of 2130667812 is about 1286.7828034031.

The spelling of 2130667812 in words is "two billion, one hundred thirty million, six hundred sixty-seven thousand, eight hundred twelve".